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Fostex FM-4 - Phantom Power; Level Meter; External Dimensions; Power Consumption

Fostex FM-4
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26
General
External dimensions:
274 (W) x 57 (H) x 180 (D) mm (Including protrusions)
Weight:
Approximately 1.5 kg (not including battery box)
Approximately 1.7 kg (including the battery box and
eight AA alkaline batteries)
Power:
Internal batteries: Eight AA batteries (alkaline: 12 V,
nickel hydride: 9.6 V)Power requirement: DC 7.2 to 12 V
External power supply: Optional AC adaptor
Recommended external battery voltage: DC12 to 24V
Power requirement: DC10 to 24 V
Power consumption:
Approximately 4.0 W
Operation condition:
Temperature: -10 ºC to +50 ºC
Humidity: 85% or less (no moisture condensation)
Supplied accessories:
Battery box, Owner’s manual
Operation time with batteries (for reference)
Battery type
Alkakine (LR6)
Ni-MH (SANYO eneloop)
Microphone power supply
OFF (DM)
ON (P48 x 3)
Ni-MH (SANYO 2700mAh)
Approx. 5.5 hours
Approx. 4.5 hours
Approx. 5.5 hours
Approx. 6.5 hours
Approx. 7.5 hours
Approx. 7.0 hours
Measurement condition: 0º C temperature, saturated humidity
Measurement condition: 20º C temperature, 60% humidity
Battery type
Alkakine (LR6)
Ni-MH (SANYO eneloop)
OFF (DM)
ON (P48 x 3)
Ni-MH (SANYO 2700mAh)
Approx. 2.5 hours
Approx. 2.0 hours
Approx. 5.5 hours
Approx. 6.5 hours
Approx. 7.5 hours
Approx. 6.5 hours
Measurement condition: +45º C temperature, 60% humidity
Battery type
Alkakine (LR6)
Ni-MH (SANYO eneloop)
Microphone power supply
OFF (DM)
ON (P48 x 3)
Ni-MH (SANYO 2700mAh)
Approx. 7.0 hours
Approx. 5.5 hours
Approx. 5.5 hours
Approx. 7.0 hours
Approx. 8.0 hours
Approx. 7.0 hours
<Note 1>: The operation time data shown above is
for reference only. The actual operation time depends
on the operational condition or circumstance.
<Note 2>: The more time the nickel hydride battery
is charged or discharged, the maximum capacity de-
creases.
<Note 3>: The data shown above is measured using
nickel hydride batteries that has been fully charged
just before. Because a nickel hydride battery self-dis-
charges, it is recommended to charge nickel hydride
batteries just before using. Also it is recommended to
use batteries whose self-discharge rate is low (e.g.,
SANYO eneloop).
<Note 4>: Use eight batteries of the same type and
same capacity.
<Memo>: Lower the operation temperature is, short-
er the life of a primary battery (e.g alkaline) is.
When you use the unit in a place where temperature
is low, it is recommended to use nickel hydride bat-
teries.
Microphone power supply
Others
Phantom power:
P48 (phantom 48 V) and T12 (A-B 12 V) power supply
circuit for each input channel.
* T12 power supply can be disabled or enabled using
the status mode.
HPF (High pass lter)
40 Hz to 200 Hz, -12 dB/oct.
The cutoff frequency is continuously sweepable.
EQ (equalizer):
• HI:
Type: Shelving
Cutoff frequency: 10 kHz (fixed)
Boost/cut range: -12 dB to +12 dB
• MID:
Type: Sweepable
Center frequency: 200 Hz to 8 kHz (sweepable)
Boost/cut range: -12 dB to +12 dB
Slate microphone / slate tone
Slate tone: 1kHz
Slate microphone: built in the unit
Level meter
VU and peak level meters
Stereo/mono metering selectable
Limiter
Attack time: approximately 5 msec.
Release time: approximately 200 msec.
Threshold level: +6 dB, +9 dB or +12 dB
Ratio: 3:1 or 5:1
* Threshold level and ratio can be selected using the
status mode.
* Specifications and appearance are subject to change
without notice for product improvement.

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